Dementia and Obesity Linked to Tropheryma whipplei Encephalitis
Author Information
Author(s): Fenollar Florence, Nicoli François, Paquet Claire, Lepidi Hubert, Cozzone Patrick, Antoine Jean-Christophe, Pouget Jean, Raoult Didier
Primary Institution: Unité des rickettsies, URMITE CNRS-IRD UMR 6236, IFR 48, Faculté de médecine, Université de la Méditerranée, Marseille, France
Hypothesis
Can Tropheryma whipplei cause encephalitis leading to dementia and obesity?
Conclusion
Tropheryma whipplei encephalitis can cause progressive dementia and obesity, but it may be effectively treated with antibiotics.
Supporting Evidence
- Seven patients were diagnosed with T. whipplei encephalitis without digestive involvement.
- Patients showed significant cognitive impairments and ataxia as common neurologic manifestations.
- Two patients paradoxically gained weight during the illness.
- All patients responded dramatically to antibiotic treatment.
Takeaway
Some people can get sick in their brains from a tiny germ called Tropheryma whipplei, which can make them forget things and gain weight, but medicine can help them get better.
Methodology
The study involved diagnosing patients with T. whipplei encephalitis through PCR testing of cerebrospinal fluid and brain biopsies.
Potential Biases
Potential bias in patient selection and reliance on PCR results for diagnosis.
Limitations
The study had a small sample size and relied on PCR testing, which may not detect all cases.
Participant Demographics
Patients included both males and females, with ages ranging from 14 to 73 years.
Statistical Information
P-Value
p = 0.01
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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